Electra Elite IPK II
Document Revision 4C
Multiple Trunk Types
Description
The IPK II supports many different Trunks in the system (DID, E&M Tie Lines, Loop Start, Ground Start,
ISDN BRI, ISDN PRI, and T-1 trunks). The system supports up to 200 trunks in the system, with the
expanded port package, and a maximum of 56 trunks in the basic port package.
DID
Refer to the
Direct Inward Dialing (DID)
feature for related information.
E&M Tie Lines
E&M Tie Lines (4-Wire) can be connected to the system to provide communication between remote
systems and facilities. The system can receive and/or transmit DTMF or DP signals on E&M Tie Lines.
Ground Start Trunks
Ground Start Trunks can be connected to the system. Ground and Loop Start Trunks can be mixed in
the system per trunk. Ground Start Trunks are provided with line supervision to reduce call collisions.
Refer to the following table to see which CO ETUs support Loop Start Trunks.
Loop Start Trunks
Loop Start Trunks can be connected to the IPK II system. Loop Start is assigned per trunk at the
associated ETU. Ground Start and Loop Start Trunks can be mixed in the system per trunk. Refer to
the following table to see which CO ETUs support Loop Start Trunks.
Multiple Trunk Types
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